Subject	Did you check your plug gap before reinstalling?
Posted by	nissubaru on January 19, 2018 at 9:32 AM
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In Reply To	1992 300ZX TT stutter when boosting posted by ZTom on January 17, 2018 at 08:23 AM
Message	I don't think the OEM ones come pre-gapped. I always check when installing for peace of mind. Additionally, if you're running a bit more boost than stock you might consider a differ gap setting. I've read on here or somewhere that stock gap and plugs are good to 18psi or something like that but Z1 and ConceptZ recommend otherwise. Maybe it's a trial and error/ymmv type thing... but anyways: 0.044" - Stock 0.035" - 15psi 0.031" - 18psi When I did mine I gapped to .031 but I also was replacing plugs that I believe were for an NA. I have GT535R turbos set to 18psi and was getting a ton of spark blowout where my car would stutter around 3500-4500psi depending on how hard I floored it and the car would barely accelerate. Sounds like what you've got going on.
Follow Ups	1992 300ZX TT stutter when boosting - ZTom 08:23:07 01/17/18 Did you check your plug gap before reinstalling? - nissubaru 09:32:49 01/19/18 Re: Did you check your plug gap before reinstalling? - ZTom 09:31:37 01/21/18 Re: 1992 300ZX TT stutter when boosting - nonstopna (SoCal) 18:16:08 01/29/18
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